A study of directionally solidified Rene 80 subjected to short-term overtemperature
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Date
2017
Authors
Smart, Heather
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Abstract
Effects of short-term overtemperature on Rene 80 DS were studied using Gleeble thermo-mechanical simulation apparatus. Volume fraction of gamma prime to gamma matrix was quantified and used to assess the effects of time, temperature and stress. Volume fraction was found to decrease with increasing temperature and time. Dissolution was found to occur through both solid and liquid state dissolution. Application of tensile stress was found to influence dissolution behaviour of gamma prime.
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Keywords
Nickel superalloy, Precipitate dissolution, Volume fraction